Return to a known view
Confirm whether Screen Magnifier is enabled in Accessibility and use its documented exit or toggle action. Check a simple system menu before adjusting the television. A yellow-arrow indicator can identify the Single Press Magnifier state described by Amazon.
If the film itself needs a picture-fit change, inspect the app’s or television’s real controls separately. Do not promise a hidden zoom command or use global cropping merely to reproduce the menu magnifier’s effect.
Preserve the complete image
Black bars can preserve a programme’s shape. Cropping them away can remove content, and stretching can distort it. Decide whether the actual problem is unreadable controls, lost edges or an expected film aspect ratio.
A useful report states that menus magnify successfully while a named video does not. That precisely describes the supported boundary without falsely claiming the service or screen is incompatible overall.
Questions answered
Is failure to zoom a film always a fault?
No. Amazon explicitly notes that most video is incompatible with Screen Magnifier.
Sources & further reading
Official references for the subjects discussed. Service terms and device software can change.